// cre : Nguyen Van Tien
#include <bits/stdc++.h>
#define REP(i,a,b) for (int i = a;i<b;++i)
#define FOR(i,a,b) for (int i = a;i>b;--i)
#define STEP(i,a,b,c) for (int i = a;i<b;i+=c)
#define STEPD(i,a,b,c) for (int i = a;i>b;i-=c)
#define ll long long
#define name "TEST"
using namespace std;
/*
---------------------------------
Nguyen Van Tien - vantien1526
Mê cách ngài define
---------------------------------
*/
const int N = 1e5 + 6;
int n,m,C[N],check[N],check1[N];
struct Arr{
int s,v;
} arr[N];
bool cmp(Arr a,Arr b){
if (a.v != b.v) return a.v > b.v;
return a.s > b.s;
}
void sub1(){
sort(arr + 1,arr + n + 1,cmp);
sort(C + 1,C + m + 1);
int cnt = 0;
FOR (i,m,0){
REP (j,1,n+1){
if (arr[j].s <= C[i] && !check1[j] && !check[i]){
cnt++;
check[i] = check1[j] = 1;
break;
}
}
}
cout << cnt;
}
void sub2(){
sort(arr + 1,arr + n + 1,cmp);
sort(C + 1,C + m + 1);
int cnt = 0,ans = m;
REP (i,1,n+1){
int l = 1,r = ans,check = 0;
while (l <= r){
int mid = l + r >> 1;
if (C[mid] >= arr[i].s){
ans = mid-1;
l = mid + 1;
check = 1;
}
else{
l = mid + 1;
}
}
if (check) cnt++;
}
cout << cnt;
}
void solve(){
cin >> n >> m;
REP (i,1,n+1) cin >> arr[i].s >> arr[i].v;
REP (i,1,m+1) cin >> C[i];
if (n <= 1000 && m <= 1000) sub1();
else sub2();
}
int main()
{
ios_base :: sync_with_stdio(0);
cin.tie(0);cout.tie(0);
//freopen(name".INP","r",stdin);
//freopen(name".OUT","w",stdout);
int t ; t = 1 ; REP (i,0,t) solve();
return 0;
}
Compilation message
joi2019_ho_t2.cpp: In function 'void sub2()':
joi2019_ho_t2.cpp:53:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
53 | int mid = l + r >> 1;
| ~~^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
756 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
756 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
600 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
476 KB |
Output is correct |
30 |
Correct |
1 ms |
508 KB |
Output is correct |
31 |
Correct |
2 ms |
484 KB |
Output is correct |
32 |
Correct |
1 ms |
356 KB |
Output is correct |
33 |
Correct |
0 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
352 KB |
Output is correct |
35 |
Correct |
1 ms |
360 KB |
Output is correct |
36 |
Correct |
1 ms |
352 KB |
Output is correct |
37 |
Correct |
2 ms |
360 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
756 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
2 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
600 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
348 KB |
Output is correct |
29 |
Correct |
1 ms |
476 KB |
Output is correct |
30 |
Correct |
1 ms |
508 KB |
Output is correct |
31 |
Correct |
2 ms |
484 KB |
Output is correct |
32 |
Correct |
1 ms |
356 KB |
Output is correct |
33 |
Correct |
0 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
352 KB |
Output is correct |
35 |
Correct |
1 ms |
360 KB |
Output is correct |
36 |
Correct |
1 ms |
352 KB |
Output is correct |
37 |
Correct |
2 ms |
360 KB |
Output is correct |
38 |
Correct |
40 ms |
3376 KB |
Output is correct |
39 |
Correct |
38 ms |
3160 KB |
Output is correct |
40 |
Correct |
37 ms |
3404 KB |
Output is correct |
41 |
Correct |
40 ms |
3240 KB |
Output is correct |
42 |
Correct |
49 ms |
3168 KB |
Output is correct |
43 |
Correct |
40 ms |
3416 KB |
Output is correct |
44 |
Correct |
39 ms |
3400 KB |
Output is correct |
45 |
Correct |
42 ms |
3400 KB |
Output is correct |
46 |
Correct |
38 ms |
3204 KB |
Output is correct |
47 |
Correct |
37 ms |
2888 KB |
Output is correct |
48 |
Correct |
36 ms |
2820 KB |
Output is correct |
49 |
Correct |
32 ms |
2644 KB |
Output is correct |
50 |
Correct |
34 ms |
2460 KB |
Output is correct |
51 |
Correct |
39 ms |
3184 KB |
Output is correct |
52 |
Correct |
41 ms |
3156 KB |
Output is correct |
53 |
Correct |
39 ms |
3320 KB |
Output is correct |
54 |
Correct |
36 ms |
3416 KB |
Output is correct |
55 |
Correct |
40 ms |
3292 KB |
Output is correct |
56 |
Correct |
25 ms |
2784 KB |
Output is correct |
57 |
Correct |
14 ms |
1372 KB |
Output is correct |
58 |
Correct |
23 ms |
2384 KB |
Output is correct |
59 |
Correct |
25 ms |
2396 KB |
Output is correct |
60 |
Correct |
14 ms |
1372 KB |
Output is correct |
61 |
Correct |
27 ms |
2140 KB |
Output is correct |
62 |
Correct |
41 ms |
3220 KB |
Output is correct |
63 |
Correct |
43 ms |
3164 KB |
Output is correct |
64 |
Correct |
40 ms |
3328 KB |
Output is correct |
65 |
Correct |
40 ms |
3404 KB |
Output is correct |
66 |
Correct |
40 ms |
3404 KB |
Output is correct |
67 |
Correct |
46 ms |
3400 KB |
Output is correct |
68 |
Correct |
42 ms |
3400 KB |
Output is correct |
69 |
Correct |
42 ms |
3196 KB |
Output is correct |
70 |
Correct |
41 ms |
3420 KB |
Output is correct |
71 |
Correct |
40 ms |
3408 KB |
Output is correct |
72 |
Correct |
40 ms |
3408 KB |
Output is correct |
73 |
Correct |
39 ms |
3156 KB |
Output is correct |